102431156 has 12 divisors (see below), whose sum is σ = 180355392. Its totient is φ = 50901048.

The previous prime is 102431149. The next prime is 102431177. The reversal of 102431156 is 651134201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77900 + ... + 79203.

It is an arithmetic number, because the mean of its divisors is an integer number (15029616).

Almost surely, 2^102431156 is an apocalyptic number.

It is an amenable number.

102431156 is a deficient number, since it is larger than the sum of its proper divisors (77924236).

102431156 is a wasteful number, since it uses less digits than its factorization.

102431156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157270 (or 157268 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 102431156 is about 10120.8278317537. The cubic root of 102431156 is about 467.8902815822.

Adding to 102431156 its reverse (651134201), we get a palindrome (753565357).

The spelling of 102431156 in words is "one hundred two million, four hundred thirty-one thousand, one hundred fifty-six".